%%% Copyright 2010 Google Inc.
%%%
%%% Licensed under the Apache License, Version 2.0 (the "License");
%%% you may not use this file except in compliance with the License.
%%% You may obtain a copy of the License at
%%%
%%%     http://www.apache.org/licenses/LICENSE-2.0
%%%
%%% Unless required by applicable law or agreed to in writing, software
%%% distributed under the License is distributed on an "AS IS" BASIS,
%%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%%% See the License for the specific language governing permissions and
%%% limitations under the License.

%%% @copyright 2010 Google Inc. All Rights Reserved.
%%% @author <jacoby@google.com> Jacoby Thwaites [http://sites/madcloud]
%%% @version {@version}
%%% @doc
%%% Standalone utility functions used in different modules.
%%%

-module(txm_util).

-export([first/2]).

%% @doc Returns the result of `Fun' on the first element of `List' for which
%% that result is not `false', or `false' if no such element exists.
first(_Fun, []) -> false;
first(Fun, [Element | Rest]) ->
  case Fun(Element) of
    false ->
      first(Fun, Rest);
    Value -> Value
  end.
